from numpy import *


a = array([
    [1,2,3],
    [4,5,6],
    [7,8,9]
])

b = array([
    [10,10],
    [10,10],
    [10,10]
])

c = dot(a,b)

print(c)

d = array([
    [1,2,3],
    [3,4,5]
])

print(d*d)